diff --git a/Src/Asp.NetCore2/KdbndpTest/UnitTest/UCodeFirst.cs b/Src/Asp.NetCore2/KdbndpTest/UnitTest/UCodeFirst.cs
index 099832be8..9699db63b 100644
--- a/Src/Asp.NetCore2/KdbndpTest/UnitTest/UCodeFirst.cs
+++ b/Src/Asp.NetCore2/KdbndpTest/UnitTest/UCodeFirst.cs
@@ -1,4 +1,5 @@
-using System;
+using SqlSugar;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -13,12 +14,13 @@ namespace OrmTest
             if (Db.DbMaintenance.IsAnyTable("UnitCodeTest1", false))
                 Db.DbMaintenance.DropTable("UnitCodeTest1");
             Db.CodeFirst.InitTables<UnitCodeTest1>();
+            Db.CodeFirst.InitTables<UnitCodeTest1>();
         }
+        [SugarIndex("IndexUnitCodeTest1_CreateDate", nameof(CreateDate),OrderByType.Desc)]
         public class UnitCodeTest1
         {
-            [SqlSugar.SugarColumn(IndexGroupNameList = new string[] { "group1" })]
             public int Id { get; set; }
-            [SqlSugar.SugarColumn(DefaultValue= "now()", IndexGroupNameList =new string[] {"group1" } )]
+            [SqlSugar.SugarColumn(DefaultValue= "now()"  )]
             public DateTime? CreateDate { get; set; }
         }
     }